From f8843b1da1866c8139dada3756fc2887aadf702a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Henrik=20Rydg=C3=A5rd?= <hrydgard@gmail.com>
Date: Mon, 9 Sep 2024 21:03:27 +0200
Subject: [PATCH] SDL: Fix the fallback path from Vulkan to OpenGL

---
 SDL/SDLMain.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/SDL/SDLMain.cpp b/SDL/SDLMain.cpp
index 9c97bc74cd..38aa7925fd 100644
--- a/SDL/SDLMain.cpp
+++ b/SDL/SDLMain.cpp
@@ -1134,8 +1134,10 @@ int main(int argc, char *argv[]) {
 	SDL_SetHint(SDL_HINT_TOUCH_MOUSE_EVENTS, "0");
 #endif
 
+	bool vulkanMayBeAvailable = false;
 	if (VulkanMayBeAvailable()) {
 		printf("DEBUG: Vulkan might be available.\n");
+		vulkanMayBeAvailable = true;
 	} else {
 		printf("DEBUG: Vulkan is not available, not using Vulkan.\n");
 	}
@@ -1327,6 +1329,11 @@ int main(int argc, char *argv[]) {
 	GraphicsContext *graphicsContext = nullptr;
 	SDL_Window *window = nullptr;
 
+	// Switch away from Vulkan if not available.
+	if (g_Config.iGPUBackend == (int)GPUBackend::VULKAN && !vulkanMayBeAvailable) {
+		g_Config.iGPUBackend = (int)GPUBackend::OPENGL;
+	}
+
 	std::string error_message;
 	if (g_Config.iGPUBackend == (int)GPUBackend::OPENGL) {
 		SDLGLGraphicsContext *ctx = new SDLGLGraphicsContext();